/*
 * Copyright 2006-2018 The MZmine 2 Development Team
 * 
 * This file is part of MZmine 2.
 * 
 * MZmine 2 is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 * 
 * MZmine 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with MZmine 2; if not,
 * write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 * USA
 */

package net.sf.mzmine.modules.visualization.scatterplot.scatterplotchart;

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Rectangle2D;

import org.jfree.chart.labels.XYItemLabelGenerator;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRendererState;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYDataset;

public class DiagonalLineRenderer extends XYLineAndShapeRenderer {

  /**
   * 
   */
  private static final long serialVersionUID = 1L;

  // plot colors for diagonal lines
  private static final Color[] plotDiagonalColors =
      {new Color(165, 42, 42), Color.BLACK, new Color(165, 42, 42)};

  private static final Shape diagonalPointsShape = new Rectangle2D.Float(-3, -3, 6, 6);

  public static final AlphaComposite alpha =
      AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f);

  public DiagonalLineRenderer() {

    super(true, true);

    setDefaultShapesFilled(true);
    setDrawOutlines(true);
    setUseFillPaint(true);

    for (int i = 0; i < plotDiagonalColors.length; i++) {
      setSeriesShape(i, diagonalPointsShape);
      setSeriesPaint(i, plotDiagonalColors[i]);
      setSeriesFillPaint(i, plotDiagonalColors[i]);
    }

    setDefaultShapesVisible(true);

    XYItemLabelGenerator diagonallabelGenerator = new DiagonalLineLabelGenerator();
    setDefaultItemLabelGenerator(diagonallabelGenerator);
    setDefaultItemLabelsVisible(true);

    setDrawSeriesLineAsPath(true);
  }

  public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot,
      XYDataset dataset, PlotRenderingInfo info) {

    // Set transparency
    g2.setComposite(alpha);

    return super.initialise(g2, dataArea, plot, dataset, info);
  }

}
